dēfectīvus, a, um, adj. [deficio III.],
I imperfect, defective (post-class.): et abortiva genitura, Tert. adv. Val. 14: febris, intermittent fever , Cael. Aur. Acut. 2, 10.—
II In gramm.: nomina, verba, some of whose forms are wanting, defective , Charis. 3.